1 egg
1 c. cream or 1/2 & 1/2
1 c. milk
1/2 c. sugar
1 tsp. flavoring

In a 1 pound coffee can with tight lid - put all above ingredients. Put on lid. Place this can inside a larger coffee can and pack it with ice and rock salt.

Let children sit on the sidewalk or flat surface outside and have them roll it back and forth between them for 15 minutes. What fun! It really works! Serves 4.